US Bridges

US-127 Br over Pine River

Fair

Gratiot County, Michigan · In City of Alma · Structure no. 000000000003125

Built
1928
97 years old, rebuilt 1999
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
94 ft
3 main spans
Daily traffic
10,432
2007 count
Owner
State
State Highway Agency

About this bridge

US-127 Br over Pine River is a prestressed concrete box beam or girders - single or spread carrying US-127 Br over Pine River in Gratiot County, Michigan. It was built in 1928 and reconstructed in 1999, so it is 97 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 10,432 vehicles a day, roughly 6% of them trucks, projected to reach 9,512 by 2018. The structure is 94 ft (28.6 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-127 Br
CrossesPine River
LocationIn City of Alma
RouteU.S. Route 127
Coordinates43.37895, -84.65571
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length94 ft (28.6 m)
Longest span32 ft (9.7 m)
Deck width58 ft (17.8 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,432 (2007)
Projected traffic9,512 by 2018
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-127 Br over Pine River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1999.

What condition is US-127 Br over Pine River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does US-127 Br over Pine River carry?

About 10,432 vehicles per day (2007 count), of which roughly 6% are trucks.

How long is US-127 Br over Pine River?

The structure is 94 ft (28.6 m) long with a longest span of 32 ft (9.7 m) and a deck 58 ft wide.

Who owns US-127 Br over Pine River?

It is owned by the State Highway Agency.